pengzhiwei created CALCITE-3746:
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Summary: RexSimplify changes the order of IS NOT NULL in And
RexNode
Key: CALCITE-3746
URL: https://issues.apache.org/jira/browse/CALCITE-3746
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.20.0
Reporter: pengzhiwei
Assignee: pengzhiwei
The RexSimplify changes the order of IS NOT NULL in And RexNode.The following
expression
{code:java}
a is not null and length(a) > 0{code}
is optimazted to
{code:java}
length(a) > 0 and a is not null{code}
which will affect the logic short circuit for null-test.
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